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The Global Rundown Population growth and drought are driving water shortages in Gwadar, a port city in Pakistan that plans to become a major international trade center. Food shortages caused by a drought in Zimbabwe will cost more than a billion dollars to fill, while it will take millions to replace aging lead water pipes […]

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The Global Rundown Rising sea levels will have consequences for human civilization thousands of years into the future, even if global temperature increases are contained, scientists found. To protect Tokyo from rising seas and floods, some architects have proposed rebuilding islands in Tokyo Bay. Meanwhile, Australia is planning major cuts to the climate research team […]

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The Global Rundown Brazil may charge executives at a mining company for homicide over a tailings dam failure that killed 17 people. Radioactive water seeped into groundwater at a New York nuclear plant, though officials say it is contained. Egypt needs billions of dollars to finance water treatment plants, two major U.S. science agencies are […]

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The Global Rundown Zimbabwe announced plans to declare a national emergency as it faces food shortages amid a severe drought, while water levels rose at Kariba dam, potentially avoiding a shutdown of one of Zambia’s major hydropower plants. Coal last year dropped to its smallest portion of U.S. electricity generation since records began, an Australian […]

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The Global Rundown The future of the water-intensive, polluting development of oil sands in Alberta is in question amid a global slump in oil prices. Iraq plans to repair and maintain the Mosul Dam. The world’s largest offshore wind farm is slated for the coast of the United Kingdom, while a watchdog group called on […]

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2006
Prof. Frank Hadley Collins, Dir., Cntr. for Global Health and Infectious Diseases, Univ. of Notre Dame

This 2006 photograph depicted a female Aedes aegypti mosquito while she was in the process of acquiring a blood meal from her human host, who in this instance, was actually the biomedical photographer, James Gathany, here at the Centers for Disease Control.  You?ll note the feeding apparatus consisting of a sharp, ?fascicle?, which while not feeding, is covered in a soft, pliant sheath called the "labellum?, which is seen here retracted, as the sharp ?stylets? contained within pierced the host's skin surface, as the insect obtained its blood meal. The fascicle is composed of a pair of needle-sharp stylets. The larger of the two stylets, known as the "labrum", when viewed in cross-section takes on the shape of an inverted "V", and acts as a gutter, which directs the ingested host blood towards the insect's mouth. This female?s abdomen had become distended due to the blood meal she was ingesting, imparting the red coloration to her translucent abdominal exoskeleton.

DF and DHF are primarily diseases of tropical and sub-tropical areas, and the four different dengue serotypes (DEN-1, DEN-2, DEN-3, and DEN-4), are maintained in a cycle that involves humans and the Aedes mosquito. However, Aedes aegypti, a domestic, day-biting mosquito that prefers to feed on humans, is the most common Aedes species. Infections produce a spectrum of clinical illness ranging from a nonspecific viral syndrome to severe and fatal hemorrhagic disease. Important risk factors for DHF include the strain of the infecting virus, as well as the age, and especially the prior dengue infection history of the patient.

Zika is carried by mosquitoes that reproduce in standing water, but in some cities that water can be hard to eliminate.

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The Global Rundown India plans to secure billions of dollars in loans from international banks to improve its irrigation systems and protect its agricultural sector from climate change. Lebanon is struggling with an ineffective garbage system that threatens its drinking water and air quality, while Zimbabwe’s capital is seeing a sharp increase in bottled water […]

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The Global Rundown A severe drought may double or even triple the number of people needing emergency food aid in Zimbabwe. Drinking water quality has declined in South Africa, a government report found, while the economic costs of a lead-contaminated drinking water crisis in Flint, Michigan, may just be starting. Projects to clean up Brazil’s […]

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The Global Rundown Pinched by shrinking groundwater reserves, the United Arab Emirates is pursuing research projects to modify weather passing over the country to create as much rainfall as possible. Farmers in South Africa are drilling wells hundreds of meters deep to reach water, and Japan is building the world’s largest floating solar farm. Detroit […]

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The Global Rundown The Mosul Dam, Iraq’s largest dam, could collapse and cause a catastrophic flood, a top U.S. general said. Employees of an aluminum oxide plant on trial for a 2010 flood of toxic sludge in Hungary were acquitted, and Michigan extended a state of emergency for the city of Flint over contaminated drinking […]

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The Global Rundown Coal mines in Australia are high risk for investors due to their dependence on export markets and their exposure to environmental risks, a new study found. The majority of India’s urban sewage is never treated, and air pollution in South Asia may be changing monsoon rainfall. The El Nino weather pattern is […]

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The Global Rundown Water supplies in Zimbabwe’s dams may not last until the start of the October rainy season due to a a severe drought stretching across southern Africa. Droughts linked to El Nino have also exacerbated food shortages and humanitarian crises in the Asia-Pacific region, where UNICEF is appealing for millions of dollars to […]

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The Global Rundown As the lead-contaminated drinking water crisis continues in Flint, Michigan, officials shut down schools in an Ohio town after finding high levels of lead in the water of some homes. Operators at a Brazilian iron ore mine received warnings from sensors that tailings dams at the mine were unstable months before they […]

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State environmental agency’s indifference and intransigence violated public trust.

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The Global Rundown Parks designed to safely flood during heavy rainstorms are helping make a Copenhagen neighborhood more resilient to climate change. Floods from a severe winter storm inundated homes in New Jersey, and U.S. officials presented this year’s first water outlook for California. Polluted water sources and ailing infrastructure have cut water deliveries in […]

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The Global Rundown A draft of Pakistan’s new national water policy tackles topics from water pricing to transboundary water management. The second largest lake in Bolivia has completely evaporated, and a court in Brazil has shut down one of the world’s most important iron ore ports over pollution concerns. India hopes to save electricity by […]

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The Global Rundown Average global temperatures last year were nearly 1-degree Celsius above the 20th-century average. Rising ocean temperatures will likely increase the rainfall and storm surge associated with hurricanes in the Atlantic Ocean and Caribbean. Countries in the Persian Gulf are pursuing renewable energy to reduce their water use, while the easing of economic […]

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The Global Rundown Overfishing is depleting fisheries and causing global fish catches to decline faster than previously thought, according to a new study. Thailand is drilling thousands of new wells to combat drought, water levels in the Kariba dam shared by Zambia and Zimbabwe are dropping, and food shortages are threatening refugees at a camp […]

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The Global Rundown Thailand could experience water shortages by April if it does not take water conservation measures. The United Nations is launching a $50 million plan to combat food insecurity in drought-hit Ethiopia, while technical studies of the country’s Grand Renaissance dam are expected to be released by the end of the month. Jordan […]

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The Global Rundown Brazil’s Belo Monte hydropower dam faces further delays following a court ruling last week that suspended its license. South Africa plans to provide electricity to drought-hit Zambia, while the severe drought in southern Africa will also force countries to import more grain. In a besieged Syrian city, water supplies are only available […]

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